Native Range: Endemic Sakhalin Island (Russia)

Hardiness Zone: USDA Zone 4a: to -34.4 °C

Height: 1,5-2,0m

Soil: Prefers rich, humusy, well drained, slightly acid to neutral soil

pH:

Moisture: Moist

Light: Part shade

Flowering Period: July – August

Garden locations: Woodland gardens and moist borders. Native plant gardens.

Price: 3 €